8
SERVICE AND ADJUSTMENTS
LINE REPLACEMENT
Pre--wound spools offer the most convenient
method for replacing line and ensuring opti-
mum performance.
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Replacement spools are color--coded to
ensure use of the correct spool with your
unit. Be sure to use the same color spool as
the existing spool.
NOTE:
Always clear dirt and debris from
cutting head components when performing
any type of maintenance.
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Hold spool and unscrew cap by turning in
the direction shown on top of the cap.
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Remove line guide ring and spool.
Cap
Spool
Line guide ring
Use a pre--wound spool or refill spool with
line. If using a pre--wound spool, remove tape
strip from line and spool.
REFILLING THE SPOOL WITH LINE
WARNING:
Use only 2 mm diameter
round line. Other sizes and shapes of line will
not advance properly and will result in improp-
er cutting head function or can cause serious
injury. Do not use other materials such as
wire, string, rope, etc. Wire can break off dur-
ing cutting and become a dangerous missile
that can cause serious injury.
1. Cut a length of 8 meters of 2 mm diameter
round
Partner
®
brand line.
Feed line in
direction
shown on
spool.
Spool
2. Insert one end of line into center cavity of
empty spool. Ensure line will feed into
spool in the direction shown on the spool
(counterclockwise).
3. Continue feeding line into spool, leaving
100 -- 150 mm unwound from center of
spool.
INSTALLING SPOOL WITH LINE
1. Install replacement spool.
2. Thread line through line guide ring.
Line through guide ring
Replacement Spool
Slot
3. Rest guide ring on spool and place line
through slot. Allow line to extend 100 --
150 mm from center of spool.
4. Ensure line remains in slot while screwing
cap on to the shaft.
Only tighten cap
hand tight!
CARBURETOR ADJUSTMENT
WARNING:
Keep others away when
making idle speed adjustments. The trimmer
head will be spinning during this procedure.
Wear your protective equipment and observe
all safety precautions.
The carburetor has been carefully set at the
factory. Adjustments may be necessary if you
notice any of the following conditions:
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Engine will not idle when the throttle is re-
leased.
Make adjustments with the unit supported so
the cutting attachment is off the ground and
will not make contact with any object. Hold
the unit by hand while running and making ad-
justments. Keep all parts of your body away
from the cutting attachment and muffler.
Idle Speed Adjustment
Allow engine to idle. Adjust speed until engine
runs without stalling (idle speed too slow).
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Turn idle speed screw clockwise to in-
crease engine speed if engine stalls or dies.
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Turn idle speed screw counterclockwise to
decrease engine speed.
Air Filter
Cover
Idle Speed
Screw
If you require further assistance or are unsure
about performing this procedure, contact an
authorized service dealer.